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Servo Stabilizer
(Oil-cooled) |
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CAPACITIES :
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1)
0.5 KVA to 60 KVA I
PH |
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2)
1.5
KVA to 2000 KVA 3 PH |
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SPECIFICATIONS : |
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Input Voltage Range
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300 V 460 V AC 50 Hz 3 PH |
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Other Input Ranges |
245 V- 460 V AC 3Ph
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340 V- 460 V AC 3Ph
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360 V- 460 V AC 3Ph
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other ranges as per customer
requirement |
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Output Voltage |
380 V / 400 V/ 415 V AC 3Ph 50
Hz
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System |
Unbalanced 4 Wire : R Y B N
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Connections
|
Star |
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 |
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Operating Frequency |
47Hz to 53 Hz |
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Output Voltage Adjustable |
380 V to 415 V AC in 3Ph |
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220 V to 240 V AC in 1Ph |
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Output Voltage Regulation |
ą 1% |
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Over Load Capacity |
120% |
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Correction Rate |
15 V / 20 V / 35 V / Sec-1Ph |
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25 V / 35 V / 60 V / Sec-3Ph |
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110V/Sec for D.C.
Motor controlled |
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Waveform Distortion |
Nil |
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Output Waveform |
True Reproduction of Input |
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Insulation
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Class 'B'
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Short CKT Period & percentage |
300 % for 250 m.sec.
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Normal Operating Temperature
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0ēC to 45ēC |
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Climatic Conditions
|
90 % RH.Max.Non-Condensing at
35ē C
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Mode of System
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Fully Automatic / Manual
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System
Construction |
AS PER IS : 9815 of 1994 |
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STANDARD
PROTECTIONS |
-
Low voltage protection
-
High Voltage protection
-
Overload Protected with MCB /
MCCB
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Single Phasing Preventer
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PANEL
INDICATIONS |
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Input |
ON |
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Output
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ON |
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Input |
Low |
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Input |
High |
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Output |
Cut-off
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PANEL METERS |
-
Volt Meter With Selector Switch
to read Input/Output Voltages, phase to phase and phase to neutral.
-
Ammeter With Selector Switch (From 15 KVA 3Ph onwards )
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OPTIONAL
ACCESSORIES IN 3 Ph SYSTEM |
- INPUT UNDER
/ OVER VOLTAGE TRIP
- OUTPUT UNDER
/ OVER VOLTAGE ALARAM
- DIGITAL VOLTMETER / AMMETER
- FREQUENCY METER (Digital / Analog)
- FREQUENCY TRIP HIGH / LOW
ADJUSTABLE (With setting thumb Wheel switch)
- MCB/MCCB FOR OUTPUT
- Dimmer
Protection Arrangement
- Phase
Reversal Protection
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SAILENT
FEATURES |
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Quick
Response |
Quickest
response time 10 ms. (half a cycle) |
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High
Overload capacity |
Higher
overload capabilities for high starting and regenerative
currents repeated frequency in CNC Machines. |
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Fast
Correction |
Fastest rate
of correction up to 70 V/sec. |
No Hunting,
No Oscillations,
No Noise Generation |
Machine
Wound Variable Auto Transformer, with special Carbon Brush to
minimize carbon deposit and for smooth
commutation. |
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ENERGY SAVINGS |
-
Better
efficiency of 98% achieved by use of prime grade Lamination.
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Electrolytic
copper wires of 99.99% purity.
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Specially
designed transformers to minimize losses.
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ALSO, Special
sensing circuit to ensure constant Output Voltage even with distorted
input from D.G. set. Conforms to stringent Defence specifications.
Tropicalised design
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